Samsung Galaxy A3 (2017) vs Samsung Galaxy A7 (2018) Specs Comparison

Availability

Officially announced
Jan 02, 2017	Sep 20, 2018

Design

Dimensions
5.33 x 2.61 x 0.31 inches 135.4 x 66.2 x 7.9 mm	6.29 x 3.02 x 0.30 inches 159.8 x 76.8 x 7.5 mm
Weight
4.87 oz / 138.0 g	5.93 oz / 168.0 g
Materials
Back: Glass Frame: Aluminum	Back: Glass (Corning Gorilla Glass 3) Frame: Plastic
Resistance
Water, Dust; IP68
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Features
Touch sensitive control keys	Notification light
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black sky, Gold sand, Peach cloud, Blue mist	Black, Gold, Pink, Blue

Display

Size
4.7-inch, 67.85% screen-to-body	6.0-inch, 74.55% screen-to-body
Type
Super AMOLED	Super AMOLED
Resolution
1280x720px, 312 PPI	2220x1080px, 18.5:9 ratio, 411 PPI
Colors
	16 777 216
Protection
	Corning Gorilla Glass 3

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
1 (Excellent)	1.8 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm)	Samsung Exynos 7 Octa 7885 (14 nm)
Processor
Octa-core 1600 MHz ARM Cortex-A53	Octa-core 2200 MHz ARM Cortex-A73 and ARM Cortex-A53
GPU
Mali-T830 MP2	Mali-G71 MP2
Memory
2GB (LPDDR3)/16GB	6GB (LPDDR4)/128GB 4GB/64GB 4GB/128GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 512 GB
OS
Android (7.0 Nougat, 6.0 Marshmallow)	Android (9.0 Pie, 8.0 Oreo)

Battery

Type
2350 mAh	3300 mAh

Camera

Rear
Single camera	Triple camera
Main camera
13 MP (Autofocus, CMOS image sensor) Aperture size: F1.9	24 MP (PDAF, CMOS image sensor) Aperture size: F1.7 Focal length: 26 mm Sensor size: 1/2.8" Pixel size: 0.9 μm
Second camera
	8 MP (Ultra-wide, Autofocus, CMOS image sensor, BSI sensor) Aperture size: F2.4 Focal Length: 18 mm Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	5 MP (Depth information) Aperture size: F2.2 Focal Length: 24 mm Sensor size: 1/5" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
1080p (30 fps) Video calling, Video sharing	1080p (30 fps) Hyperlapse, EIS, Video calling, Video sharing
Front
8 MP	24 MP (Flash) Video capture: 1080p

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band Hotspot, Wi-Fi Direct 802.11 a, b, g, n, ac
USB
Type-C	microUSB, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass, BeiDou
Other
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync	NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	Album art cover, Background playback, Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM

Cellular

4G (FDD) Bands
1, 2, 3, 5, 7, 8, 20	1, 3, 5, 7, 8, 20
4G (TDD) Bands
40	38, 40, 41
3G Bands
5, 8, 2, 1	5, 8, 2, 1
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSPA	LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA
SIM type
Nano SIM	Nano SIM
VoLTE
	Yes

Phone Features

Notifications
	Haptic feedback, Music ringtones, Vibration
Other features
	Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval
Date approved: Dec 21, 2016 FCC ID value: A3LSMA320F	Date approved: Sep 13, 2018 FCC ID value: A3LSMA750FN
Measured SAR
Head: 0.45 W/kg Body: 0.74 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 0.94 W/kg	Head: 0.50 W/kg Body: 0.39 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.05 W/kg

Alternative variants

Dual SIM	Yes

with 4 GB RAM

Memory	4GB

with 64 GB storage

Memory	4GB/64GB

Dual SIM support

Dual SIM	Yes

Discover more

Full Specs Samsung Galaxy A3 (2017) Specs PA Review Samsung Galaxy A3 (2017) Review

Full Specs Samsung Galaxy A7 (2018) Specs PA Review Samsung Galaxy A7 (2018) Review